misc: Pooper export, summernote lang

hwe/ts/common_deprecated.ts

@@ -5,6 +5,9 @@ import { escapeHtml } from "./legacy/escapeHtml";
 import { nl2br } from "./util/nl2br";
 import jQuery from "jquery";
 import { exportWindow } from "./util/exportWindow";
+import Popper from 'popper.js';
+exportWindow(Popper, 'Popper');//XXX: 왜 popper를 이렇게 불러야 하는가?
+import 'bootstrap';
 
 exportWindow(jQuery, '$');
 exportWindow(jQuery, 'jQuery');